Cobalt Steel Step Drill Bit Set - Suitable for Metals, 1/4“ to 1-3/8” Specifications, Impact Step Drill bits with Titanium Coating and Aluminum Shell Professional Metal Drill bits
About This Supercharged Cobalt Steel Construction Baigao’s step drill bits are forged from premium cobalt steel (M42 grade), delivering 68% higher heat resistance and 2X lifespan vs. titanium-coated rivals. The titanium nitride coating reduces friction by 40%, letting these step bits for metal slice through stainless steel, cast iron, and hardened alloys like butter—no more burnt bits or failed projects! Laser-Calibrated Steps & 118° Spear Tip Precision meets power! Each unibit step drill bit features 50 laser-etched sizes (1/4"-1-3/8") and a 118° self-centering tip that eliminates "bit walking"on curved surfaces. Four slots design clears metal chips 50% faster, preventing clogging in automotive sheet metal or aluminum siding. Whether you’re installing electrical conduits or crafting metal art, this step drill bit for metal delivers burr-free holes in seconds. Hex shank grips any chuck—even impact drivers! Industrial-Grade Impact Resistance Built for the toughest jobs! These step bits for metal are hardened to 68 HRC and engineered for high-torque impact drills. Tested on 1/4" steel plates at 3,500 RPM, they outperformed 92% of competitors in vibration resistance. The reinforced step geometry prevents chipping when punching through truck frames or steel studs. As a true impact drill bit set, it’s trusted by welders and fabrication shops—no more snapped bits mid-proj 30 Sizes, 1 Game-Changing Set Ditch the drawer full of single-use bits! This metal drill bit set for steel packs 30 sizes into just 5 compact step drill bits, covering 90% of metalworking tasks. Drill pilot holes (3mm) to large conduit passes (35mm) without swapping tools—perfect for tight spaces like car engines or rooftop installations. Baigao’s step drill bit set ships in a CNC-machined aluminum case with shock-absorbing foam. Survives 10-foot drops and repels moisture in humid garages or rainy jobsites. Weighs 40% less than steel boxes—throw it in your truck bed without guilt! Every set includes our "No-Questions-Asked" lifetime warranty: if your step drill bit ever fails, we replace it FREE. Because pros demand reliability. Overview Brand : Baigao Tool Flute Type : Spiral Manufacturer : Sanilok
Related
Related
Related